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In order to obtain the Best Compression Union Reducers (2021), our intelligent platforms and gurus have taken many parameters into account such as product fitness for use, features that meet consumers needs and give buyer satisfaction, defect and deficiency-free, conformance of standards, quality/price ratio, reliability, user-oriented design, quality conformance to user requirements and regulations, safety, real buyer satisfaction and lots of others. It is of great importance to mention that each user has different needs so please consider the shortlist below as a guideline and not as a gospel. Nevertheless, in the benchmarking below you can undoubtedly find the overall best ones despite your requirements.

Our brilliant platforms and specialist hi-tech gurus work hard to identify the best product choices. We are positive that our review benchmarking can help you simplify your purchase decision and choose among the absolute Best Compression Union Reducers (2021).

Best Compression Union Reducers

Best Choice No. 1
Metalwork 304 Stainless Steel Reducing Compression Tube Fitting, Reducer Union, 1/4″ OD x 3/8″ OD (2 Pcs)
  • Reducing Union for connecting and disconnecting two pipes of differrent diameter.
  • Fitting connects to tubing on both ends
  • Type 304 stainless steel for higher strength and greater corrosion resistance
  • Operating temperatures: below 450℃/ Working pressure: 25Mpa-40Mpa
  • Applicable medium: oil, water, gas and other non-corrosive or corrosive medium.
Best Choice No. 2
Anderson Metals 54048-0604 Brass Tube Fitting, Half-Union, 3/8″ Flare x 1/4″ Male Pipe
  • Half union for connecting and disconnecting two tubes more easily than with a coupling
  • 45-degree flare head tube connection on one side and a male NPT connection on the other
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
  • Operating temperature range of -65 to +250 degrees F
  • Resists mechanical pullout for a more secure connection
Best Choice No. 3
Metalwork Compression Union Brass Tube Fitting, 3/16″ OD x 1/4″ OD 2pcs
  • Union for connecting and disconnecting two tubes more easily than with a coupling
  • Compression tube connections on both ends
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
  • Three piece construction – nut, sleeve and body
  • These fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories.
Best Choice No. 4
Vis Brass Compression Tube Fitting, Reducing Union, 1/2″ Tube OD x 3/8″ Tube OD (Pack of 1)
  • Reducing union for connecting and disconnecting two tubes more easily than with a coupling
  • Compression tube connections on both ends
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
  • Operating temperature range of -65 to +250 degrees F
  • Three piece construction – nut, sleeve and body
Best Choice No. 5
LTWFITTING 3/8-Inch OD x 1/4-Inch OD Compression Reducing Union,Brass Compression Fitting(Pack of 5)
  • Type: Compression Reducing Union
  • Tube Size:3/8″ OD x 1/4″ OD
  • Package Content : 5 PCS(Include Nut And Ferrule)
  • Materies: BRASS, Net Weight: 15g/PC
  • Choosing products dimensions and quantities at column of size and colour seperately,price would be more favorable if choosing wholesale.
Best Choice No. 6
Ironwerks Designs 1/4″ Brass Compression Union Fitting, 5 Pack
  • UNION COMPRESSION FITTING: Made of brass, has tube connections & suitable for indoor air application
  • THREADED CONNECTION that can be screwed to connect tubes more easily than with a coupling
  • MADE OF BRASS for corrosion resistance, ductility at high temperatures & low magnetic permeability
  • INTENDED USE in low to medium pressure operating environments where there is no excessive vibration
  • CRAFTED BY THE EXPERTS: Committed to providing an outstanding customer experience every single time
Best Choice No. 7
LTWFITTING 1/2-Inch OD x 3/8-Inch OD Compression Reducing Union,Brass Compression Fitting(Pack of 5)
  • Type: Compression Reducing Union
  • Tube Size:1/2″ OD x 3/8″ OD
  • Package Content : 5 PCS(Include Nut And Ferrule)
  • Materies: BRASS, Net Weight: 22g/PC
  • Choosing products dimensions and quantities at column of size and colour seperately,price would be more favorable if choosing wholesale.
Best Choice No. 8
Avanti 3/8″ to 1/4″ Reducing Straight Union Connector for drinking water filter RO reverse osmosis – 1/4″ x 3/8″ tubes, quick-connect fittings – QF-UC0604x3 (Pack of 3)
  • union connector for connecting two tubes together
  • complies with all requirements for materials in contact with food and drinking water
  • quick-connect with no tools required to provide permanent or removable leak-proof connections
  • works with plastic or copper tubing; corrosion and lead-free
  • meets and exceeds NSF standard; Made in Taiwan
Best Choice No. 9
Malida Quick Push to Connector, Water Tube Fitting,1/4″ Tube OD x 3/8″ Tube OD Reducing Straight Union ,for RO Water Systems,Water Purifiers Tube Fittings.
  • Quick connector 3/8″ x 1/4″ Tube push fit Reducing Straight Union,pack of 10.
  • Connect and disconnect quick and easy without any other tools,100% leak free, 100% Re-useable
  • Material: POM(Polyoxymethylene), Polyethylene Plastic Water Tube Fitting
  • Applications include: Water Purifiers,Water Filter,RO system beverage dispensing refrigerator ice maker coffee machine etc
Best Choice No. 10
Generic Push in Quick Touch to Connect Reducer Fitting 5/16″ OD x 1/4″ OD Tube Pneumatic Straight Union Connector/Coupler (Pack of 5)
  • Net Weight: 7.46g/pc
  • Type: straight union
  • Tube Size: 5/16″ x 1/4″ OD
  • Operating Pressure:0-150psi.
  • Quick and simple installation,designed for the polyurethane or nylon tubing.

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